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Alexa Housing Operation

Page 36

Remote Lens Control (RLC) (Optional)

The Alexa housing can be setup for remote control of lens functions. This optional kit
requires several items:

Element Technica FIZ lens control kit.

Purchased separately from

ElementTechnica. SKU 791-0464. This contains the lens motors, Wireless Motor
Driver (WMD) and hand controller.

Extended ALEXA housing battery shell.

RLC bracket and cable kit

that includes:

2x 15mm Rods

2x 15mm Rod Mounts

1x Mount plate for servo
hardware

3x Motor cables

1x Power cable

1x Bulkhead connector &
cable

(may already be

installed in ALEXA housing).

1x Surface Control Cable.

3x Lens Motor Bracket

Spare o-ring & o-ring tool.

To setup the RLC into the ALEXA Housing:

Install the Extended Battery Shell to the housing.

Remove 6 screws from the

inside of the back shell as shown

. Ensure the o-ring is installed in the Extended

Battery Shell

during re-assembly with the ALEXA housing rear shell.

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Содержание Alexa

Страница 1: ...Alexa Underwater Housing Setup Use and Care Guide...

Страница 2: ...derwater Products This manual and current revision is available in 8 5 x 11 size and full color at http www gateshousings com documentation html Gates Underwater Products Inc 13685 Stowe Drive Poway C...

Страница 3: ...ns Gear Drives LGD s 14 Water Alarm Optional 17 Check Operation 18 Front Shell Port and Port Extender 19 Monitor Mount Video Connections 21 Housing Closure 23 Adjustable Handle Grips 25 Seal Check 26...

Страница 4: ...s the full menu system of the camera Cinema grade design Lens choice and control access are just two of the many features designed into the Alexa housing A R coated glass optics optional HD SDI surfac...

Страница 5: ...Standard Parts Alexa Underwater Housing Camera Bridgeplate and Mount Lens Gear Drives 1x Clockwise and 2x Counter Clockwise Guide Bars and drive shafts for your lens of choice Hard Sided Rolling Case...

Страница 6: ...USER RESPONSIBILITY This Setup Use and Care guide contains important detailed procedures for setup and use of the Alexa housing It is the user s responsibility to read understand and employ these pro...

Страница 7: ...move the Port by rotating 90 degrees while facing the front of the housing Gently pull the Port away from the Port Extender TIP Liberal lubrication of the Port o ring allows easy rotation during insta...

Страница 8: ...Port Extender Rear Shell removal Release four 4 latches by depressing the lock and pulling up on the latch Once released the rear shell will remove freely Remove 4 screws and washers then the Port Ex...

Страница 9: ...Camera Bridgeplate Removal Move the lever lock to the unlock position Slide the camera mount to the rear and free of the housing Move the lever lock to the unlock position Slide the camera mount to th...

Страница 10: ...Remove the following items Tape measure hook Top Hand Grip Unit Any additional mounts or brackets Camera Lens Antenna Alexa XT Plus users only Remove the tape measure hook This is necessary for the ca...

Страница 11: ...to the Bridgeplate Adapter with five screws Interior Trim Weights Required Mount one 11oz weight to the interior of the back shell as shown below Refer to the Buoyancy Adjustment in section 3 below f...

Страница 12: ...obstruction CAUTION AVOID OBSTRUCTIONS The camera should insert freely without obstruction If obstructions or resistance are encountered stop Remove the camera find the cause of the obstruction and tr...

Страница 13: ...Alexa Housing Setup Page 13 The Bridgeplate will slide onto the dovetail here Stop inserting the camera if you encounter obstructions Move the lever lock to the lock position...

Страница 14: ...ts are provided on the guide bars should this be necessary Install Drive Shafts These are black delrin and have a flat spot milled into one end This end inserts into the drive coupler at the face of t...

Страница 15: ...ghten the screw that couples the drive gear hub to the drive shaft TIP The gear hub drive shaft coupling acts like a clutch the drive shaft will slip when reaching the end of travel in either directio...

Страница 16: ...positioned and secured check operation of the Focus Iris and Zoom controls They should rotate freely but with slight resistance in both directions and through the entire range of travel If not repeat...

Страница 17: ...between The alarm can be tested by shorting the detection contacts that lead to the water alarm transducer The water detection condition will activate for 6 seconds If the battery is drained the low b...

Страница 18: ...xtenders and Ports Power on the camera and check the following Clear Image on TVL55 External Monitor Clean Image with no dust fog or other impediments to image quality Focus Iris and Zoom gear control...

Страница 19: ...ort bore where the o rings seal See the separate document Housing Care and Maintenance Guide for more details CAUTION Do Not lubricate the orange Front Bulkhead or Port Extender o ring It is silicone...

Страница 20: ...rt TIP Liberal lubrication of the Port o ring allows easy rotation during installation removal Install the Port The Port will mate with the Port Extender and then rotate 90 degrees clockwise to its no...

Страница 21: ...21 Monitor Mount Video Connections Mount the TVL55 monitor Secure the monitor to the top of the main shell as shown and tighten the thumbscrews to secure Slide the TVL55 onto the housing dovetail and...

Страница 22: ...to the rear of the housing to the position shown in the next illustration Tighten the brass collar until snug Connect to the camera An HDMI adapter cable is supplied with your Alexa housing kit to ma...

Страница 23: ...d locate the obstruction Install Trim Weights See Buoyancy Adjustment in section 3 for more details Mate the shell Position the shell at the rear and gently move forward over the camera to mate with t...

Страница 24: ...ually inspect there are no gaps around the perimeter CAUTION Faulty Latches can lead to a wet camera Replacements for faulty latches are available at no charge from Gates Mate the Rear Shell to the Mi...

Страница 25: ...Handle Grips The Alexa housing has adjustable handle grips These are assembled to the housing from the rear and set with the top lever Slide the Handle Grips onto the top dovetails from the rear Posi...

Страница 26: ...them By drawing a vacuum on the monitor very little air must pass between the shells so the settling process and determination of housing integrity takes far less time Seal Check With a Monitor If yo...

Страница 27: ...Alexa Housing Operation Page 27 3 Alexa Housing Operation Right Side Controls Power Focus Iris Zoom Screen Controls Note Alexa XT Plus window shown...

Страница 28: ...Alexa Housing Operation Page 28 Left Side Controls Focus Iris Zoom Record Assign 2 3 Record Lock...

Страница 29: ...r liking Four general locations are available to add remove and adjust trim weights Inside Housing One 11oz weight must be placed inside the rear shell as shown in a previous section to properly balan...

Страница 30: ...ommodate 4 and 8oz weights Port Extender The top and sides of the Port Extenders can also accept 4 and 8oz weights To do so unthread the thumbscrew from the base and then mount directly to the small b...

Страница 31: ...here are three steps Camera connection See the previous section Video Connections for details connecting the HD SDI surface feed to the camera inside the housing Housing Cable Connection Refer to the...

Страница 32: ...sing close to the housing when not in use The front Tripod legs are mounted on the leading section of the foot Thread the ball mount into the foot and screw tightly with a wrench The rear Tripod leg i...

Страница 33: ...venient method to mount lights forward and to the outside edges of the housing It accepts a wide variety of Ultralight Controls Systems ball mounts and bases The External Monitor will secure on the to...

Страница 34: ...tical performance or image quality Gates endeavors to collect data from the field and our own testing as a resource to customers but you should always characterize your lens of choice for use underwat...

Страница 35: ...s Disadvantages No wide shots By their nature Flat Ports do not allow wide shots Loss of FOV Like a SCUBA mask Flat Ports decrease FOV by 25 NOTE The optical interaction between any given lens and a D...

Страница 36: ...g battery shell RLC bracket and cable kit that includes 2x 15mm Rods 2x 15mm Rod Mounts 1x Mount plate for servo driver hardware 3x Motor cables 1x Power cable 1x Bulkhead connector cable may already...

Страница 37: ...ca Wireless Motor Driver WMD to the bracket using 3x metric socket cap screws Mount the 15mm Rod Mounts 15mm rods and WMD Bracket assembled previously to the to the ALEXA top plate as shown in the pho...

Страница 38: ...acket to change the battery Install Servo Motors Next secure the servo motors to the custom brackets as shown Gently tighten the screw to secure Note that the servo brackets are reversible by removing...

Страница 39: ...onnector can be rotated on the motor for best cable routing and clearance to other items including the Port Extender The photo below shows 3 Servo Motors tightly clustered on a small PL mount lens Thi...

Страница 40: ...s into a D Tap location on the battery mount The CAN cable is a permanent cable installation on your housing It is routed through the dovetail rail on the housing as shown Plug this into the CAN locat...

Страница 41: ...ntroller THC Test Install a battery to THC and ensure the CABLE BATTY switch is set to BATTY Install a battery on the Alexa camera and the WMD should power on The Servo Motor Drivers may calibrate Onc...

Страница 42: ...s While it is unlikely you may encounter reflections from within the port area of Alexa housing from anything shiny To control such reflections Gates recommends two easy measures Blackening the shiny...

Страница 43: ...esult CAUTION No Trim Weights DO NOT transport the Alexa housing with trim weights installed Severe damage may result Secure Camera Mount The Camera Bridgeplate must be well secured Install and tighte...

Страница 44: ...the o rings is easy and covered in the Housing Care and Maintenance document in this package It can also be found on the Gates website at www gateshousings com CAUTION Do not lubricate the large ORANG...

Страница 45: ...stomer Support Should you have any questions about the Alexa housing and its operation please contact Gates at the numbers below Email Customer srvc GatesHousings com Web www GatesHousings com Phone 8...

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